38351859

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 66662400

約数和(自身を除く): 28310541

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 61, 91, 141, 147, 183, 273, 329, 343, 427, 611, 637, 793, 987, 1029, 1281, 1833, 1911, 2303, 2379, 2867, 2989, 4277, 4459, 5551, 6909, 8601, 8967, 12831, 13377, 16121, 16653, 20069, 20923, 29939, 37271, 38857, 48363, 60207, 62769, 89817, 111813, 116571, 140483, 209573, 260897, 271999, 421449, 628719, 782691, 815997, 983381, 1826279, 2950143, 5478837, 12783953, 38351859]

約数ペア:

[(1, 38351859), (3, 12783953), (7, 5478837), (13, 2950143), (21, 1826279), (39, 983381), (47, 815997), (49, 782691), (61, 628719), (91, 421449), (141, 271999), (147, 260897), (183, 209573), (273, 140483), (329, 116571), (343, 111813), (427, 89817), (611, 62769), (637, 60207), (793, 48363), (987, 38857), (1029, 37271), (1281, 29939), (1833, 20923), (1911, 20069), (2303, 16653), (2379, 16121), (2867, 13377), (2989, 12831), (4277, 8967), (4459, 8601), (5551, 6909)]